Phasorial analysis of detuning error in temporal phase shifting algorithms



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Quiroga Mellado, Juan Antonio and Mosiño, Juan Francisco and Servín Guirado, Manuel and Estrada, Julio César (2009) Phasorial analysis of detuning error in temporal phase shifting algorithms. Optics Express, 17 (7). pp. 5618-5623. ISSN 1094-4087

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Phase error analysis in Temporal Phase Shifting (TPS) algorithms due to frequency detuning has been to date only performed numerically. In this paper, we show an exact analytical expression to obtain this phase error due to detuning using the spectral TPS response. The new proposed method is based on the phasorial representation of the output of the TPS quadrature filter. Doing this, the detuning problem is reduced to a ratio of two symmetrical spectral responses of the quadrature filter at the detuned frequency. Finally, some popular cases of TPS algorithms are analyzed to show the usefulness of the proposed method.

Item Type:Article
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© 2009 Optical Society of America.
This work was partially supported by CONACyT under grants No. 42771 and No. 47111.

Uncontrolled Keywords:Measuring Interferometry
Subjects:Sciences > Physics > Optics
ID Code:22824
Deposited On:18 Sep 2013 08:36
Last Modified:07 Feb 2014 10:52

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